ISTR that SPDY et al was originally built on UDP, not TCP, so there was a need for a send window. But yes, it's now fighting with the TCP window. Ideally, the H

ISTR that SPDY et al was originally built on UDP, not TCP, so there was a need for a send window. But yes, it's now fighting with the TCP window. Ideally, the HTTP2 send window should be derived from the TCP window.